THREE eF COMMERCIAL GAS MODELS WITH STORAGE TANK

THREE eF COMMERCIAL GAS MODELS WITH STORAGE TANK

HOT WATER

UNION

SHUT OFF VALVE (3 PLS.) UNION (3 PLS.)

SHUT OFF VALVE STORAGE TANK

**INTAKE VENT PIPE (3 PLS.)

UNION

EXHAUST VENT PIPE (3 PLS.)

SHUT OFF VALVE REDUCER BUSHING (2 PLS.) SHUT OFF VALVE

TEMPERATURE AND PRESSURE RELIEF VALVE (3 PLS.)

DRAIN OUTLET DRAIN OUTLET (3 PLS.) SHUT OFF VALVE (3 PLS.)

DISCHARGE TUBE (3 PLS.)

UNION (3 PLS.)

WATER SUPPLY BACK-FLOW PREVENTER

THIS DRAWING SHOWS A SUGGESTED PIPING CONFIGURATION AND OTHER DEVICES; CHECK WITH LOCAL CODES AND ORDINANCES FOR ADDITIONAL REQUIREMENTS. *EXPANSION TANK RECOMMENDED TO MINIMIZE ANY PRESSURE BUILD UP IF THE WATER SUPPLY PIPING HAS A BACK-FLOW PREVENTER, CHECK VALVE OR WATER METER WITH A CHECK VALVE. **AIR INTAKE PIPE OPTIONAL.

SHUT OFF VALVE

SHUT OFF VALVE CIRCULATOR SHUT OFF VALVE BACK-FLOW PREVENTER

EXPANSION TANK* DRAIN UNION

UNION CONDENSATE TRAP (3 PLS.)